Updated:
Willard Intermediate School.
Possibly a magnolia grandiflora based on Cal Poly’s SelecTree tool. The school was opened in 1973, and based on the tree’s size it may be the same age if not older. GPS (33.757125, -117.873171).
San Joaquin Marsh, the headquarters of the Irvine Ranch Water District.
Maybe a vachellia farnesiana since “the base of each leaf is accompanied by a pair of thorns on the branch”, however this tree was quite tall and likely at the upper end of the height range. GPS (33.6671059, -117.8373167).
Massive, leafy, robust trees at Lyndhurst Mansion in New York. Requires tickets to access the property.